Provided by Dow Jones By Colin Kellaher Services activity in the middle of the U.S. expanded a bit in January following a slight drop in December, and expectations for future activity rose sharply, according to a monthly survey by the Federal Reserve Bank of Kansas City. The Tenth District Services Survey's composite index, a weighted average of indexes covering revenue/sales, employment and inventory, came in at 8 for January, rebounding from a reading of minus 4 in December. Readings above zero indicate expansion, while those below zero indicate contraction. The Kansas City Fed said most of its month-over-month indexes were positive in January, with the general revenue and sales index rising amid higher wholesale, retail, real-estate, professional and technical services, healthcare, and restaurant activity. However, the bank noted that auto, tourism and hospitality activity declined.